Jadeite Cameron M, Sueno S, Prewitt C T, Papike J J American Mineralogist 58 (1973) 594-618 High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite T = 24 C pyroxene _database_code_amcsd 0000351 9.423 8.564 5.223 90 107.56 90 C2/c atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si .2906 .0933 .2277 .00135 .00128 .00193 -.00012 .00027 -.00008 Al1 0 .9058 1/4 .00148 .00124 .00240 0 .00038 0 Na2 0 .3005 1/4 .00424 .00253 .00795 0 .00013 0 O1 .1092 .0760 .1285 .00128 .00187 .00340 -.00003 .00025 -.00007 O2 .3611 .2633 .2932 .00241 .00167 .00538 -.00041 .00077 -.00030 O3 .3537 .0072 .0060 .00198 .00239 .00285 .00002 .00049 -.00053